“鱼”状硫属Ag簇基一维链的构筑及光电流响应  

Synthesis and Photocurrent Response of‘Fish-Like’Ag Cluster-based One-Dimensional Chains

作　　者：王康 张宇 高晋萍 Wang Kang;Zhang Yu;Gao Jinping(Shanxi University of Electronic Science and Technology,Linfen,041000)

机构地区：[1]山西电子科技学院,临汾041000

出　　处：《化学通报(中英文)》2025年第1期122-127,1,共7页Chemistry

基　　金：山西省高等学校科技创新项目(2022L624&2024L462);山西电子科技学院人才引进科研启动经费资助项目(2023RKJ027)资助。

摘　　要：本研究选择柔性的硫属环己硫醇配体和三氟甲烷磺酸银盐在无模板的情况下自组装得到了一例“鱼”状Ag簇基一维链,其结构基元为Ag_(20)(CyhS)_(20)(缩写为:Ag_(20)S_(20),CyhSH=环己硫醇)。这个“鱼”状的单元沿着a方向上重复生长为无限延长的一维银多团簇。Ag离子之间的亲银作用以及外端配体通过Ag-S作用共同稳定Ag簇内核。化合物Ag_(20)S_(20)的结构和组成通过单晶X射线衍射、电喷雾飞行时间质谱、热重分析和傅里叶变换红外光谱确定。固体紫外可见吸收光谱表明Ag_(20)S_(20)是一种宽带隙半导体。光电流测试结果表明Ag_(20)S_(20)具有良好的光电流响应。In this study,a‘fish-like’Ag_(20)S_(20)structural motif with the molecular formula Ag_(20)(CyhS)_(20)(Abbreviated as Ag_(20)S_(20),CyhSH=cyclohexanethiol)was obtained by template free self-assembling of flexible thiocyclohexane thiol ligand and silver trifluoromethane sulfonate.This‘fish-like’unit grows repeatedly along the a direction into an infinitely extended one-dimensional silver multi-cluster.The inner silver was stabilized by the interaction of argentophilic Ag···Ag and peripheral Ag-S interaction.The structure and composition of the compound Ag_(20)S_(20)were determined by single-crystal X-ray diffraction(XRD),electrospray time-of-flight mass spectrometer(ESI-TOF-MS),thermogravimetric analysis(TGA),and Fourier transform infrared spectroscopy(FT-IR).In addition,the solid-state UV-Vis absorption spectra indicate that Ag_(20)S_(20)is a wide bandgap semiconductor.Photocurrent test results demonstrate that Ag_(20)S_(20)exhibits a favourable photocurrent response.

关 键 词：硫属银簇 合成 光电性质 

分 类 号：O641.4[理学—物理化学]